chore(scp): default port is 22

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

README.md

@@ -1,6 +1,6 @@
 # 🚀 SCP for GitHub Actions
 
-[GitHub Action](https://developer.github.com/actions/) for copying files and artifacts via SSH.
+[GitHub Action](https://github.com/features/actions) for copying files and artifacts via SSH.
 
 ![ssh key](./images/copy-multiple-file.png)
 
@@ -11,15 +11,24 @@
 copy files and artifacts via SSH as blow.
 
 ```yaml
-- name: copy file via ssh password
-  uses: appleboy/scp-action@master
-  with:
-    host: ${{ secrets.HOST }}
-    username: ${{ secrets.USERNAME }}
-    password: ${{ secrets.PASSWORD }}
-    port: ${{ secrets.PORT }}
-    source: "tests/a.txt,tests/b.txt"
-    target: "test"
+name: scp files
+on: [push]
+jobs:
+
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - name: copy file via ssh password
+      uses: appleboy/scp-action@master
+      with:
+        host: ${{ secrets.HOST }}
+        username: ${{ secrets.USERNAME }}
+        password: ${{ secrets.PASSWORD }}
+        port: ${{ secrets.PORT }}
+        source: "tests/a.txt,tests/b.txt"
+        target: "test"
 ```
 
 ## Input variables
@@ -30,8 +39,8 @@ see the [action.yml](./action.yml) file for more detail imformation.
 * port - scp remote port
 * username - scp username
 * password - scp password
-* timeout - timeout for ssh to remote host
-* command_timeout - timeout for scp command
+* timeout - timeout for ssh to remote host, default is `30s`
+* command_timeout - timeout for scp command, default is `1m`
 * key - content of ssh private key. ex raw content of ~/.ssh/id_rsa
 * key_path - path of ssh private key
 * target - target path on the server

action.yml

@@ -6,6 +6,7 @@ inputs:
     description: 'scp remote host'
   port:
     description: 'scp remote port'
+    default: 22
   username:
     description: 'scp username'
   password: